Which of the following statements about Hydrogen are correct?
(i) Hydrogen has three isotopes, of which protium is the most common.
(ii) Hydrogen never acts as cation in ionic salts.
(iii) Hydrogen ion, H^+, exists freely in solution.
(iv) Dihydrogen does not act as a reducing agent.

Answers (1)

The answer is the option (i) and (ii), i.e. Hydrogen has three isotopes of which protium is the most common and Hydrogen never act as a cation in ionic salts.

Protium, one of Hydrogen’s 3 isotopes is the most common as well as due to the small atomic size, it doe does not act as a cation but is associated with other molecules and compounds.

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